main()//唐子豪
{
    int a,b,c,d,e;
    for(a=0;a<=1;a++)
        for(b=0;b<=1;b++)
            for(c=0;c<=1;c++)
                for(d=0;d<=1;d++)
                    for(e=0;e<=1;e++)
                        if((a&&b+c+d+e==3||!a&&b+c+d+e!=3)&&
                        (b&&a+c+d+e==3||!b&&a+c+d+e!=0)&&
                        (c&&b+a+d+e==3||!c&&b+a+d+e!=1)&&
                        (d&&b+c+a+e==3||!d&&b+c+a+e!=4)
                        )
                        {
                            printf("A is pasted a piece of %s paper on his forehead.\n",a?"white":"black");
                            printf("B is pasted a piece of %s paper on his forehead.\n",b?"white":"black");
                            printf("C is pasted a piece of %s paper on his forehead.\n",c?"white":"black");
                            printf("D is pasted a piece of %s paper on his forehead.\n",d?"white":"black");
                             printf("Eis pasted a piece of %s paper on his forehead.\n",e?"white":"black");
                        }

}